Provision of aviation light for 350 feet aerial mast at Dimond Harbour and Patpur Far Field monitoring Station under Kolkata Directorate.

2.5 Sq. mm, 3 – Core, Copper, single strand, PVC Sheath, XLPE, Armored UG Cable – 1100 Volt Grade.

16 Sq. mm, 4– Core, Almunium, multi strand, PVC Sheath, XLPE, Armored UG Cable – 1100 Volt Grade. Make

1.5 Sq. mm. Copper, Single Core, Multi Strand, PVC Cable. 90 mtr. Roll.

Led aviation light with Red colour glass. Aluminum body, 60-watt, 220 Volt A.C with IP 65. Make- Bajaj/CG

Supply and fixing of PVC Junction Box, size - 140 mm X 140 mm X 95 mm (Make – Sintex)

10 Amp, Single Pole, MCB. Make - Reputed

Bare copper wire 12 SWG

Insulation tape. 10-mtr roll.

Supplying and fixing of 3-pole, 415 V , 63Amp Main switch fuse unit (Handle type)

Supplying and fixing of DP sheet steel enclosure on surface/recess alone with 25/32 A , 240 volt "c" curve DP MCB complete with connections, testing and commissioning etc. as required.

Earthing with GI plate 600 mm X 600mm X 6mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 mtr long (50mm GI pipe) etc. with charcoal and salt as required for trestle tower earthing.

Supplying and laying 25mm X 5mm GI strip at 0.50 mtr below ground as strip earth electrode, including connection termination nut, bolt, spring, washer etc as required. (Jointing shall be done by overlapping and with 2 sets of S.S nut bolts & spring washer spaced at 50mm)

Labour charges for excavation of trench (30 cm X 45 cm X 900 mtr- approx.) laying of UG Cable complete and filling the said trench with excavated loose soil , etc including cutting of concrete pathway, Jungle clearance as required complete with connection.

Labour charges for making aviation light fixing arrangement by clamping GI pipe with s.s.nut & bolts and fixing on the top of high mast trestle tower of height 350 feet (110 mtr) including cable connection and tied with copper wire. (GI pipe of 1-mtr suitable dia for fixing aviation light)

Labour charges for laying pvc cable from top to bottom of the trestle high mast of height 110 mtrs. UG cable tired with 12 SWG bare copper wire for making connection of aviation light.

S.P ENGINEERING (BID ID -3132610)

Satabdi Engineering company (BID ID -3133205)

SP MIND ENGINEERING (BID ID -3133712)

TARAMA METALS WORKS (BID ID -3130746)